The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 13, 2019

Filed:

Oct. 12, 2016
Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Tae-Wook Kim, Daejeon, KR;

Kwang-Il Kim, Daejeon, KR;

Jeong-Man Son, Daejeon, KR;

Jun-Hee Lee, Daejeon, KR;

Assignee:

LG CHEM, LTD., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/12 (2006.01); H01M 2/10 (2006.01);
U.S. Cl.
CPC ...
H01M 2/1258 (2013.01); H01M 2/1077 (2013.01); H01M 2/1252 (2013.01); H01M 2200/00 (2013.01); H01M 2220/20 (2013.01);
Abstract

A battery pack which may secure safety when fire or gas occurs therein or when an external impact is applied thereto is provided. The battery pack includes: a cell assembly including a plurality of secondary batteries; and a pack case including a bottom part having a plate shape and located under the cell assembly, and a side wall part protruding from the bottom part to a preset height, the pack case accommodating the cell assembly in an inner space defined by the bottom part and the side wall part, wherein the side wall part of the pack case includes a hollow in a direction at least partially perpendicular to a thickness direction of the side wall part, and the hollow includes an inwardly open inlet and an outwardly open outlet.


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